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Michael Niedermayer 808db3e687 Changelog: add 2.4 10 years ago
compat Merge commit 'f929ab0569ff31ed5a59b0b0adb7ce09df3fca39' 10 years ago
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libavdevice avdevice/lavfi: dont assign variables to themselfs 10 years ago
libavfilter av_filter/x86/idet: use HADDD where appropriate 10 years ago
libavformat avformat/utils: free s->pb for image2 as it can be used with and without a file 10 years ago
libavresample Add missing "const" all over the place. 10 years ago
libavutil Fix "passing argument 1 of av_free discards const qualifier from pointer target type" 10 years ago
libpostproc postproc: use FFMIN/FFMAX where appropriate 10 years ago
libswresample libswresample: move condition to start of loop. 10 years ago
libswscale lsws: duplicate ff_log2_tab 10 years ago
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cmdutils_opencl.c cmdutils_opencl: Use av_malloc_array() 11 years ago
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ffmpeg.c ffmpeg: Do av_buffersink_set_frame_size() when reconfiguring the filtergraph not just when changing audio resample parameters 10 years ago
ffmpeg.h ffmpeg: Enable compute_edt only when the subtitles are used for a output stream instead of a filter 10 years ago
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ffmpeg_filter.c ffmpeg: Do av_buffersink_set_frame_size() when reconfiguring the filtergraph not just when changing audio resample parameters 10 years ago
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README.md

FFmpeg README

FFmpeg is a collection of libraries and tools to process multimedia content such as audio, video, subtitles and related metadata.

Libraries

  • libavcodec provides implementation of a wider range of codecs.
  • libavformat implements streaming protocols, container formats and basic I/O access.
  • libavutil includes hashers, decompressors and miscellaneous utility functions.
  • libavfilter provides a mean to alter decoded Audio and Video through chain of filters.
  • libavdevice provides an abstraction to access capture and playback devices.
  • libswresample implements audio mixing and resampling routines.
  • libswscale implements color conversion and scaling routines.

Tools

  • ffmpeg is a command line toolbox to manipulate, convert and stream multimedia content.
  • ffplay is a minimalistic multimedia player.
  • ffprobe is a simple analisys tool to inspect multimedia content.
  • Additional small tools such as aviocat, ismindex and qt-faststart.

Documentation

The offline documentation is available in the doc/ directory.

The online documentation is available in the main website and in the wiki.

Examples

Conding examples are available in the doc/example directory.

License

FFmpeg codebase is mainly LGPL-licensed with optional components licensed under GPL. Please refer to the LICENSE file for detailed information.